This module stores fitness related data, such as body measurements, excersize activity, etc.
remove: function (id)
Remove the record, as specified by ID.
return a promise which is resolved upon successful deletion of record.
create: function (obj)
Add a new record.
return a promise which is resolved with the saved object upon completion (with fields `id` and `date_created` etc.)
update: function (obj)
Update an existing record.
return a promise which is resolved with the updated object upon completion
get: function (id)
Get a record by ID
return a promise which is resolved with the desired object if it exists.